The Tyranny of the Polls [JOSEP-MANUEL SILVA I ALCALDE] The polls have become an important part of our democratic life. Polls, enquiries and barometers of opinion are often published and their influence in the political arena seems to be increasing day after day. For this reason, the author of this article analyses the causes of the proliferation of the polls in the public life, the limits of these polls and explains why they fail in certain cases. Polls themselves are neither good nor bad, but we should prevent our democratic system from becoming a tyranny of the polls.